Home / 2,093.40-3,143.20-1,170.80

Finding the Fourth Proportional to 2,093.40, 3,143.20 and 1,170.80

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Solution

The fourth proportional to 2,093.40, 3,143.20 and 1,170.80 is: 1,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.40 : 3,143.20 = 1,170.80 : x
  2. Step 2: Convert to fraction form
    2,093.40/3,143.20 = 1,170.80/x
  3. Step 3: Cross multiply
    2,093.40x = 3,143.20 × 1,170.80
  4. Step 4: Simplify right side
    2,093.40x = 3,680,058.56
  5. Step 5: Solve for x
    x = 3,680,058.56/2,093.40
  6. Step 6: Final answer
    x = 1,757.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.